Ble gateway firware how can update?

i have 2 ble gateway how can update?

Firmware Version 1.5.12
Hardware Version 4.0
MAC E0:E2:E6:9C:2D:44
Serial Number 10235204
IP Address
this and
Firmware Version 1.5.1
Hardware Version 4.0
MAC C4:5B:BE:95:15:1C
Serial Number 9770268
IP Address


i want update newest plz help me

  1. 1.5.12 is latest version.
  2. We’ve pushed OTA files for v1.5.1. please try again.